Surprisingly, I didn't have to crop this entirely too much. These new filters are going to be a lot of fun when I figure out the quirks! For starters, methinks f/1.8 is too wide of an aperture to get good detail in the whole frame. Next round, I'm stopping it down a few and see what happens.
(ISO 100, f/1.8, 1/4000s, 4x macro filter)